The Turtles are up to their shells in trouble when a canister of toxic ooze falls into the hands of the evil Master Shredder. Aided by their new pal Keno, the pizza delivery boy, the Turtles take on Shredder and his mutant allies, Rahzar and Tokka, to capture and destroy the dangerous ooze and make the world safe again for Turtles, humans and pizza!